Home / 1,135,310.64-1,566,695.16-626,012.88

Finding the Fourth Proportional to 1,135,310.64, 1,566,695.16 and 626,012.88

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Solution

The fourth proportional to 1,135,310.64, 1,566,695.16 and 626,012.88 is: 863,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,310.64 : 1,566,695.16 = 626,012.88 : x
  2. Step 2: Convert to fraction form
    1,135,310.64/1,566,695.16 = 626,012.88/x
  3. Step 3: Cross multiply
    1,135,310.64x = 1,566,695.16 × 626,012.88
  4. Step 4: Simplify right side
    1,135,310.64x = 980,771,349,193.66
  5. Step 5: Solve for x
    x = 980,771,349,193.66/1,135,310.64
  6. Step 6: Final answer
    x = 863,879.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.